This standard defines the method of test to determine the resistance to wind load forcompletely assembled windows and doors of any materials when submitted to positiveand negative test pressures.This test method is designed to take account of conditions in use, when the window ordoor is installed in accordance with the manufactures specification and therequirements of relevant European Standards and codes of practice.This standard does not apply to joints between the window or door frame and thebuilding construction. This standard is not intended to evaluate strenth of the glass.